EP0901231A3 - Verfahren und Vorrichtung zur kostenreduzierten Erzeugung einer temperaturbeständigen Frequenz - Google Patents

Verfahren und Vorrichtung zur kostenreduzierten Erzeugung einer temperaturbeständigen Frequenz Download PDF

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Publication number
EP0901231A3
EP0901231A3 EP98307110A EP98307110A EP0901231A3 EP 0901231 A3 EP0901231 A3 EP 0901231A3 EP 98307110 A EP98307110 A EP 98307110A EP 98307110 A EP98307110 A EP 98307110A EP 0901231 A3 EP0901231 A3 EP 0901231A3
Authority
EP
European Patent Office
Prior art keywords
frequency
temperature
clock
producing
watch crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98307110A
Other languages
English (en)
French (fr)
Other versions
EP0901231A2 (de
Inventor
Theodore G. Nelson
Gary M. Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tektronix Inc
Original Assignee
Tektronix Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tektronix Inc filed Critical Tektronix Inc
Publication of EP0901231A2 publication Critical patent/EP0901231A2/de
Publication of EP0901231A3 publication Critical patent/EP0901231A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
EP98307110A 1997-09-04 1998-09-03 Verfahren und Vorrichtung zur kostenreduzierten Erzeugung einer temperaturbeständigen Frequenz Withdrawn EP0901231A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US923712 1978-07-12
US08/923,712 US5831485A (en) 1997-09-04 1997-09-04 Method and apparatus for producing a temperature stable frequency using two oscillators

Publications (2)

Publication Number Publication Date
EP0901231A2 EP0901231A2 (de) 1999-03-10
EP0901231A3 true EP0901231A3 (de) 2001-02-07

Family

ID=25449147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98307110A Withdrawn EP0901231A3 (de) 1997-09-04 1998-09-03 Verfahren und Vorrichtung zur kostenreduzierten Erzeugung einer temperaturbeständigen Frequenz

Country Status (5)

Country Link
US (1) US5831485A (de)
EP (1) EP0901231A3 (de)
JP (1) JP3174910B2 (de)
KR (1) KR19990029482A (de)
CN (1) CN1160860C (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304517B1 (en) * 1999-06-18 2001-10-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for real time clock frequency error correction
US7058149B2 (en) * 2001-12-14 2006-06-06 Freescale Semiconductor, Inc. System for providing a calibrated clock and methods thereof
US7546097B2 (en) * 2002-03-06 2009-06-09 Qualcomm Incorporated Calibration techniques for frequency synthesizers
US7421251B2 (en) * 2005-03-31 2008-09-02 Silicon Laboratories Inc. Precise frequency generation for low duty cycle transceivers using a single crystal oscillator
ITBO20060031A1 (it) * 2006-01-18 2007-07-19 Marposs Spa Sistema e metodo di trasmissione a distanza di segnali via etere per sonde di controllo
US7791419B1 (en) * 2007-05-14 2010-09-07 Dust Networks, Inc. Timing calibration for crystal oscillators within a mesh network
CN101944899A (zh) * 2009-07-02 2011-01-12 瑞昱半导体股份有限公司 具有低温度系数的集成电路及其校正方法
WO2014039817A2 (en) * 2012-09-07 2014-03-13 Calhoun Benton H Low power clock source
EP2854294B1 (de) * 2013-09-30 2016-03-30 Micro Crystal AG Temperaturkompensierter taktsignalgenerator
NL2011982C2 (en) * 2013-12-18 2015-06-22 Frapinv S B V System and method for operating a mechanical resonator in an electronic oscillator.
GB2521635A (en) * 2013-12-24 2015-07-01 Nordic Semiconductor Asa Improved low-power oscillator
US10992301B1 (en) * 2020-01-09 2021-04-27 Microsemi Semiconductor Ulc Circuit and method for generating temperature-stable clocks using ordinary oscillators
CN112737574B (zh) * 2020-11-30 2024-01-12 珠海格力电器股份有限公司 一种芯片内部时钟源的计时校准方法及相关装置
JP2022128670A (ja) * 2021-02-24 2022-09-05 セイコーエプソン株式会社 発振器および通信方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345221A (en) * 1979-05-22 1982-08-17 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Temperature compensated signal generator including two crystal oscillators
US4427952A (en) * 1980-01-10 1984-01-24 Societe Suisse Pour L'industrie Horlogere Management Services Sa Oscillator circuit with digital temperature compensation
US4448543A (en) * 1983-01-17 1984-05-15 Rockwell International Corporation Time-of-day clock having a temperature compensated low power frequency source
WO1998020620A1 (en) * 1996-11-07 1998-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing standby current in communications equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620087B (de) * 1979-03-09 Suisse Horlogerie Oszillator mit einem hochfrequenz-quarzresonator.
CH625670B (de) * 1980-01-10 Suisse Horlogerie Oszillator mit digitaler temperaturkompensation.
US4443116A (en) * 1981-01-09 1984-04-17 Citizen Watch Company Limited Electronic timepiece
CH650122GA3 (de) * 1981-12-17 1985-07-15

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345221A (en) * 1979-05-22 1982-08-17 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Temperature compensated signal generator including two crystal oscillators
US4427952A (en) * 1980-01-10 1984-01-24 Societe Suisse Pour L'industrie Horlogere Management Services Sa Oscillator circuit with digital temperature compensation
US4448543A (en) * 1983-01-17 1984-05-15 Rockwell International Corporation Time-of-day clock having a temperature compensated low power frequency source
WO1998020620A1 (en) * 1996-11-07 1998-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing standby current in communications equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HERWE J ET AL: "IMPROVED OSCILLATOR PERFORMANCE BY MATHEMATICAL COMPENSATION", ELECTRONIC ENGINEERING,GB,MORGAN-GRAMPIAN LTD. LONDON, vol. 62, no. 758, 1 February 1990 (1990-02-01), pages 55,58,60, XP000100256, ISSN: 0013-4902 *

Also Published As

Publication number Publication date
CN1212520A (zh) 1999-03-31
CN1160860C (zh) 2004-08-04
EP0901231A2 (de) 1999-03-10
JP3174910B2 (ja) 2001-06-11
KR19990029482A (ko) 1999-04-26
US5831485A (en) 1998-11-03
JPH11154826A (ja) 1999-06-08

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